document.write( "Question 981073: The variable Z is directly proportional to X, and inversely proportional to Y. When X is 3 and Y is 6, Z has the value 9.5.
\n" );
document.write( "What is the value of Z when X = 8, and Y = 12 \n" );
document.write( "
Algebra.Com's Answer #602093 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! The variable Z is directly proportional to X, \n" ); document.write( "and inversely proportional to Y. \n" ); document.write( "---\r \n" ); document.write( "\n" ); document.write( "Z = K*X/Y \n" ); document.write( "----------- \n" ); document.write( "When X is 3 and Y is 6, Z has the value 9.5. \n" ); document.write( "Solve for \"K\":: \n" ); document.write( "9.5 = K*3/6 \n" ); document.write( "K = 19 \n" ); document.write( "------\r \n" ); document.write( "\n" ); document.write( "What is the value of Z when X = 8, and Y = 12 \n" ); document.write( "Equation: \n" ); document.write( "Z = 19*X/Y \n" ); document.write( "Z = 19*8/12 \n" ); document.write( "Z = (2/3)19 = 38/3 = 12 2/3 \n" ); document.write( "--------------- \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "---------------- \n" ); document.write( " |